Home / 3,139.44-4,333.32-2,514.32

Finding the Fourth Proportional to 3,139.44, 4,333.32 and 2,514.32

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Solution

The fourth proportional to 3,139.44, 4,333.32 and 2,514.32 is: 3,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.44 : 4,333.32 = 2,514.32 : x
  2. Step 2: Convert to fraction form
    3,139.44/4,333.32 = 2,514.32/x
  3. Step 3: Cross multiply
    3,139.44x = 4,333.32 × 2,514.32
  4. Step 4: Simplify right side
    3,139.44x = 10,895,353.14
  5. Step 5: Solve for x
    x = 10,895,353.14/3,139.44
  6. Step 6: Final answer
    x = 3,470.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.